Keeper voltage
[计] 保持电压
🧩 词语组成解析
keeper
['ki:pə]
n. 保管人;饲养员;负责人;监护人;
🗣️ 情景例句
Yes, sir.
是的 ，先生。
I had lunch with a friend of mine.
我和我的一个朋友一块吃了午饭。
But you still haven't explained what you're doing here.
啊，你还没有说你是来干什么的。